LimbSaw 8 Hydraulic 20" Skid Steer Tractor Tree Chainsaw, Limbinator, - LS8

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The LS8 LimbSaw is a front-end loader attachment with an 8' mast that allows you to trim trees from the safety and comfort of your tractor seat. Running off your tractor's auxiliary hydraulics, it can reach up to 21' when mounted on a standard tractor loader. Operates at 5,000 RPM with a 20" bar and 0.325 pitch chain and only requires 7 GPM hydraulic flow.

  • ​Self-oiling system provides continuous lubrication directly from your tractor's hydraulic system
  • Reversible motor allows an operator to back the chain out of a pinch
  • Easily installed, attached and removed at only 90 lbs.
  • Uses 7 GPM flow 
  • Uses 3/8in. or 1/2in. hoses (hoses provided to end of boom)






Bar Length
20 Inches

Change The Way You Trim Trees

  • Attachment mounts directly to a front end loader
  • Can be used on tractors, skid steers and backhoes
  • Easily attaches to receiver and uses tractor hydraulics

Safety First

  • No more ladders, standing in buckets or using hand saws
  • Limbs fall in front of loader keeping driver out of harms way
  • Chainsaw kickback is virtually eliminated

Extra Long Reach

  • Saw is 8' 6" unattached
  • Can reach up to 20' when attached to front end loader

Reversible Motor

  • Helps back saw out in a pinch

Self Oiling System

  • Keeps bar and chain properly lubricated for better results

Requires Hydraulic Flow Rate Of 7 GPM

  • Uses 1-1/2" NPT fitting to attach to hydraulics
  • Handles a max PSI of 3500 (Up to 5,000 with restrictors



Wedge Material :Cast Steel


Hydraulic Reservoir Size: 20 Gallons
Max Pump PSI: 5000 PSI
Cylinder Length: 20 Inches


Idle Control: Yes
Low Oil Shutdown: No

Power Head

Vibration Damping: Yes
Maximum RPM's: 3500 RPM
Extended Length: 102"

Chain & Bar

Chain & Bar Included: Yes
Chain Pitch: .325 "
Chain Gauge: .063 "
Bar Length: 20 Inches
Chain Brake: No
Max Bar Length: 20 Inches
Min Bar Length: 20 Inches
Drive Links: 81


Weight: 86 Pounds
Consumer Warranty: 6 Month
Product Length: 103.2 Inches
Product Width: 11 Inches
Product Height: 9 Inches
UPC: 726237069152


LS8 Manual 2019 (pdf)


LSC Manual 2019 (pdf)


LSC Parts Page (pdf)


Simple Tips from LimbSaw

  1. Trim Vertically & Horizontally: Makes trimming fenceline & near water easy.
  2. Distance Yourself From Branches: Avoid falling limbs that can cause injuries.
  3. Make Jobs Quick & Efficient: Easy and fun to use for small or large projects


I am having trouble cutting smaller branches with the LS8 Chainsaw model.
If you are having trouble with smaller branches, turn the chainsaw on prior to cutting the smaller branches.

How much hydraulic fluid will I use from equipment for the oiler on the LS8 chainsaw model?
You need to properly adjust the oiler to your equipment upon receipt of your saw. When properly adjusted, the oiler should be a slow trickle at the right adjustment. It should not be dripping. If the oiler is adjusted properly, you should be able to make roughly 400 cuts to 1 quart of oil.

Can I upgrade my bar and chain on the LS8 chainsaw model?
Yes, but make sure it has a standard Stihl mounting pattern.

If using the original chain, make sure the bar has the standard specs that work with our chain.

What are the chain specs for the LS8 chainsaw model?
Chain: 20" .325 .063 81DL ( semi-chiseled chain)

Bar: 20” (rotary tip/nose with a built in sprocket tip)

I took apart the motor to my LS8 chainsaw. How do I put it back together?
Motor, #49 Arbor Shim, #11 Sprocket, #12 Key Way, #48 Flat Washer, #13 Shaft Collar

Which hose is the supply and return for the LS8 chainsaw model?
The hose with the oiler is the supply.

What size chainsaw file will sharpen the chain to the LS8 chainsaw model?
. 325 pitch chains will need a 5/32 (4mm) chainsaw chain file to sharpen the chain

Why is the chain guide wider than the bar and rubbing up against the chain?
The chain guide was designed this way for a reason. The first couple of times you use your saw, the chain will cut grooves into the 3D printed plastic chain guide that has been custom made for our chainsaw. It protects the links from jumping off the bar when using the saw.

How low can the LS8 chainsaw model cut?
If you tilt your bucket correctly, you should be able to go to the ground. However, you want to be careful.

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